Model roborock.vacuum.a51 #2090

Device information:

• Name(s) of the device: Roborock S8
• Link: n/a

Use miiocli device --ip <ip address> --token <token> info.

• Model: roborock.vacuum.a51
• Hardware version: n/a
• Firmware version: n/a

Additional context
I found this warning:

Found an unsupported model 'roborock.vacuum.a51' for class 'RoborockVacuum'. If this is working for you, please open an issue at https://github.com/rytilahti/python-miio/